/**
 * Copyright 2007 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.tonicsystems.jarjar;

import java.util.*;

abstract public class PatternElement
{
    private String pattern;
    
    public void setPattern(String pattern) {
        this.pattern = pattern;
    }

    public String getPattern() {
        return pattern;
    }

    static List<Wildcard> createWildcards(List<? extends PatternElement> patterns) {
        List<Wildcard> wildcards = new ArrayList<Wildcard>();
        for (PatternElement pattern : patterns) {
            String result = (pattern instanceof Rule) ? ((Rule)pattern).getResult() : "";
            String expr = pattern.getPattern();
            if (expr.indexOf('/') >= 0)
                throw new IllegalArgumentException("Patterns cannot contain slashes");
            wildcards.add(new Wildcard(expr.replace('.', '/'), result));
        }
        return wildcards;
    }
}
